84343640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49037}}^1$

素因数の和:49091

約数の個数: 32

約数和(自身を含む): 194190480

約数和(自身を除く): 109846840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 49037, 98074, 196148, 245185, 392296, 490370, 980740, 1961480, 2108591, 4217182, 8434364, 10542955, 16868728, 21085910, 42171820, 84343640]

約数ペア:

[(1, 84343640), (2, 42171820), (4, 21085910), (5, 16868728), (8, 10542955), (10, 8434364), (20, 4217182), (40, 2108591), (43, 1961480), (86, 980740), (172, 490370), (215, 392296), (344, 245185), (430, 196148), (860, 98074), (1720, 49037)]